MR-13Q 4-14mm multi function drill bit sharpener/drill steel grinder

Choose a different grinding wheel can grinding different materials of the drill bit, choose CBN grinding wheel grinding high-speed steel material, choose SDC grinding wheel grinding alloy tungsten steel material. General drill bit choose standard CBN wheel is ok Model MR-13QGrinding Range Φ4-Φ14Point Angle 95°(90°)~135°Power AC220V/110v Motor 160WSpeed 4400rpmDimension 32*25*25cmWeight 13kgStandard Equipment Grinding wheel :CBN (for HSS)×1Eleven collets: Φ4,Φ5,Φ6,Φ7,Φ8,Φ9,Φ10,Φ11,Φ12,Φ13,Φ14Collet chuck:(Φ4-Φ14)×1